QGIS/python/core/qgsdistancearea.sip
Juergen E. Fischer f3cb57b1eb SIP bindings update:
- update methods of existing classes
- add comment to methods missing in the sip bindings
- split up collective sip files into single files and use
  same directory structure in python/ as in src/
- add a lot of missing classes (some might not make sense because of
  missing python methods in those classes)
- remove some non-existing methods from the header files
- add scripts/sipdiff
- replace some usages of std::vector and std::set with QVector/QSet
2012-09-24 02:42:57 +02:00

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class QgsDistanceArea
{
%TypeHeaderCode
#include <qgsdistancearea.h>
%End
public:
//! Constructor
QgsDistanceArea();
//! Destructor
~QgsDistanceArea();
//! Copy constructor
QgsDistanceArea( const QgsDistanceArea &origDA );
//! sets whether coordinates must be projected to ellipsoid before measuring
void setEllipsoidalMode( bool flag );
void setProjectionsEnabled( bool flag ) /Deprecated/;
//! returns projections enabled flag
bool ellipsoidalEnabled() const;
bool hasCrsTransformEnabled() /Deprecated/;
//! sets source spatial reference system (by QGIS CRS)
void setSourceCrs( long srsid );
//! sets source spatial reference system (by EpsgCrsId)
// @deprecated use setSourceAuthid()
void setSourceEpsgCrsId( long epsgId ) /Deprecated/;
//! sets source spatial reference system by authid
void setSourceAuthId( QString authid );
//! returns source spatial reference system
long sourceCrs();
//! What sort of coordinate system is being used?
bool geographic();
//! sets ellipsoid by its acronym
bool setEllipsoid( const QString& ellipsoid );
//! Sets ellipsoid by supplied radii
// Inverse flattening is calculated with invf = a/(a-b)
bool setEllipsoid( double semiMajor, double semiMinor );
//! returns ellipsoid's acronym
const QString& ellipsoid();
//! returns ellipsoid's semi major axis
double ellipsoidSemiMajor();
//! returns ellipsoid's semi minor axis
double ellipsoidSemiMinor();
//! returns ellipsoid's inverse flattening
double ellipsoidInverseFlattening();
//! general measurement (line distance or polygon area)
double measure( QgsGeometry* geometry );
//! measures perimeter of polygon
double measurePerimeter( QgsGeometry* geometry );
//! measures line
double measureLine( const QList<QgsPoint>& points );
//! measures line with one segment
double measureLine( const QgsPoint& p1, const QgsPoint& p2 );
//! measures polygon area
double measurePolygon( const QList<QgsPoint>& points );
//! compute bearing - in radians
double bearing( const QgsPoint& p1, const QgsPoint& p2 );
static QString textUnit( double value, int decimals, QGis::UnitType u, bool isArea, bool keepBaseUnit = false );
//! Helper for conversion between physical units
void convertMeasurement( double &measure, QGis::UnitType &measureUnits, QGis::UnitType displayUnits, bool isArea );
};